*{
    padding: 0;
    margin: 0;
}
.lunbo{
    width: 300px;
    height: 150px;
    position: relative;
    overflow: hidden;

}
.lunbo .box{
    height: 150px;
    width: 900px;
    position: absolute;
    
}
.lunbo img{
    float: left;
    height: 150px;
    width: 300px;
}